Sorry, should have been more clear -- fix the damage. (I got a mouthguard for nighttime, but it was too late -- too much damage had already been done.) The enamel is just about totally gone from the surfaces, and eating anything sweet, hot, or cold is painful.

Fix the grinding or the damage? I've already worn my molars down quite a bit, so I finally had my dentist fit a custom biteguard. Cost $500+ but it seems to cut down on the grinding.

If you've had this problem, and your dentist did something to fix it to your satisfaction, please share what he/she did. Thanks.